Portable analytical instrument or similar article



FIG. 1 is a top plan view of a portable analytical instrument or similararticle showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a right side elevational view;

FIG. 7 is a top plan view of an embodiment of my new design of FIGS.1-6; and,

FIG. 8 is a top, front and left side perspective view thereof.

The ornamental design for a portable analytical instrument or similararticle, as shown and described.